*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.wrap{
    width: 100vw;
    height: 100vh;
}
.header{
    height: 50px;
    line-height: 50px;
    border-bottom: 2px solid #ceabab;
}
.logo{
    padding-left: 50px;
}
.content{
    height: calc(100vh - 50px - 2px);
    display: flex;
}
.content_left{
    width: 130px;
    /* background-color: #c9c9c9; */
    text-align: center;
}
.content_left span{
    display: block;
    padding: 10px;
}
.content_left span:hover{
    color: rgb(255, 236, 236);
    background-color: #7b7676;
}
.content_left span+span{
    border-top: 1px solid #ddb1b1;
}
iframe{
    width: calc(100vw - 130px);
    height: calc(100vh - 55px);
    padding: 0;
    /* background-color: #111; */
    margin: 0;
    box-sizing: border-box;
    border-left: 1px solid #f2a3a3;
}
.active{
    color: red;
    background-color: rgba(125, 125, 125, .3);
}